Ring binder with built-in stapler



FIG. 1 is a perspective view of a ring binder with built-in stapler showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a perspective view showing the ring binder with built-in stapler in use; the broken lines depict environmental structure for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a ring binder with built-in stapler, as shown and described. 